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Questions 22 to 25 are based on the passage you have just heard.

22.

By what means did scientists at University College London measure memory loss?

By recording the time people spend on TV.

By tracking people's living habits.

By using memory and fluency tests.

By scanning people's brains.

23.

What contributed to memory decline in the participants?

Watching television for hours.

Reading books and magazines.

Playing video games.

Surfing the Internet.

24.

What did the researchers say about their finding concerning the link between TV viewing and Alzheimer's disease?

Television viewing may be a potential factor for Alzheimer's disease.

Alzheimer's patients tend to watch television more than 3 hours a day.

Some research has confirmed the link between them.

Television watching is beneficial to Alzheimer's patients.

25.

What do the researchers suggest older people do?

Watch television no more than 3 hours each day.

Balance television viewing with other contrasting activities.

Watch some educational TV programs.

Take more physical exercise.

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